Answer:
The testing effect shows that learning and memory are enhanced by actively retrieving, rather than simply rereading, previously studied material.
Explanation:
B, a simple sentence is only an independent clause
i think it means ' a remark made into order to anger.
:)))
The purpose of a descriptive essay is to describe a person, place, or thing in such vivid detail that the reader can easily form a precise mental picture of what is being written.
So A is the answer hope this helps and let me know if it's right!